Build failed. https://zuul.opendev.org/t/openstack/buildset/fdf51babb2ce4e9db0223d8d063633c2 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/c744a5aa343249a6a898a060b888765b : SUCCESS in 3m 27s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/e18929cbb9514f718ac04c2a3d640293 : FAILURE in 2m 30s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/de1d35e1a1fd4adda70793956f998ff0 : SUCCESS in 3m 42s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/bf41fb85fcc040bcaf96aa8eee130ed6 : SUCCESS in 3m 29s